22O ASHMEAD [ 2I 4] 



Type. Cat. No. 5643, U. S. Nat. Museum. From St. Paul Is- 

 land, August 17 (Fur Seal Commission). One specimen. 



Genus Scorpiorus Forster. 

 SCORPIORUS ALASKENSIS sp. nov. 



Female. Length 5.5 mm. Black; a dot on cheeks, a triangular 

 spot on anterior angles of face just above the clypeus, the clypeus, 

 mandibles, scape beneath, the venter and the extreme apex of the sixth 

 dorsal abdominal segment yellow; legs, except more or less of the 

 coxae above, a broad band at apex of the second dorsal abdominal seg- 

 ment, the third segment entirely, and the apex of the fourth, rufous ; 

 palpi, teguke, epitegulae, subcostal vein, and a spot at the base of the 

 stigma, ivory-white or yellowish-white. Wings hyaline, the stigma 

 except as noted, and the internal veins, brown. Metathorax areolated, 

 as in Polyblastus glacialis. Abdomen with the first segment broad, 

 finely rugulose, the dorsal carinae extending only to its middle. 



Type. Cat. No. 5644, U. S. Nat. Museum. From Popof Island, 

 July 1 1 . One specimen. 



SCORPIORUS NIVEICOLA sp. nov. 



Female. Length 3.5 mm. Black; the clypeus, mandibles, palpi, 

 tegulae, epitegulas, subcostal vein and the base of the median vein, 

 white ; legs and the first and second segments of the abdomen, brown- 

 ish-yellow or reddish-yellow. Wings hyaline, the stigma and veins 

 brown. Face smooth, shining, at the most sparsely and microscopic- 

 ally punctate medially. Thorax polished, impunctate, the scutellum 

 elevated, with a deep transverse furrow across the base, the metathorax 

 finely rugulose, cariuate, the basal lateral and middle areas confluent. 

 Abdomen smooth, shining, the first segment at the most alutaceous, 

 the dorsal carinae not extending beyond its middle. 



Male. Differs from female in having two broad white spots on 

 face anteriorly, one on each side, that extend on to the checks ; the 

 scape and pedicel beneath are white ; the apex of the hind tibiae 

 and their tarsi are fuscous ; the abdomen has the second and third 

 dorsal segments and the apex of the fourth, brownish-yellow, while 

 the first segment is the longest with the dorsal carinae extending nearly 

 to its apex. 



Type. Cat. No. 5645, U. S. Nat. Museum. From Muir Inlet, 

 June 12 ; Popof Island, July 9. 



